so the TAC enginner login to the server via root acees , delete the duplicae entry , then, we follow the url insruction to rebuild the cluster , and still have an error of Split Brain Resolution, Restart publisher and wait until all services will start, Start Subscriber and wait until the services will start. Great guide! Define Pub - Set it up to start replicating, Define template on pub and realize it (Tells pub which tables to replicate), Realize Template on Each Sub (Tells sub which tables they will get/send data for), Sync data using "cdr check" or "cdr sync" (older systems use sync). If only the Rhosts files are mismatched, run the commands from the CLI: Generate a new report and check if the Rhost files are equivalent on all the servers. The replication timeout is based on the number of nodes in the cluster: The replication timeout (Default: 300 Seconds) is the time that the publisher waits for all the subscribers in order to send their defined messages. engineer follows in order to diagnose and isolate theproblem. Customers Also Viewed These Support Documents. Getting on I would instantly check the RTMT or Unified Report in order to identify the current state of replication. We now do some other checks to prepare to fix replication. CUCM Database Replication is an area in which Cisco customers and partners have asked for more in-depth training in being able to properly assess a replication problem and potentially resolve an issue without involving TAC. I have check the system and all networking is fine , the server are fine . Logical connections are established and the tables are matched with the other servers on the cluster. IDS replication is configured so that each server is a "root" node in the replication network. Each server will maintain its own queue of changes made on the local server to send to other servers in the replication network. network utils. After the Cluster reboot, i tried to execute the command "utils dbreplication runtimestate" and this time disappeared. After you run the command, all the tables are checked for Symptom: Platform replication can be checked using the following commands on the CLI: utils dbreplication status utils dbreplication runtimestate Conditions: -PUT REST call for /cuic/rest/cuicusers updating each cuicuser table record as many itmes as the number of users exits. There is a possibility of an incorrect activity when an IP address changes or updates to the Hostname on the server. The publisher establishes a connection to every server in the cluster and the subscribers establish a connection the local database and the publisher only. We verify in the report that all of the hosts files look correct. It is extremely important for the NTP to be fully functional in order to avoid any database replication issues. i have try also to reboot all the servers but still get the same results . still in progress. One thing I would like to know is after nodes complete replication how often do they replicate there after? Perform the procedure in the off business hours. Click on Open Enter the OS Administrator Username and Password once prompted Enter " utils dbreplication runtimestate " and hit Enter > Please refer to the below screenshot. In other words, a change made on "A" will be sent to "B" by "A". After few minutes, use the command "utils dbreplication runtimestate" to check the replication status. The utils dbreplication runtimestate command shows out In 5.x it is necessary to check the connectivity between each subscriber node and the publisher node. 2023 Cisco and/or its affiliates. This can happen because the other servers are unsure if there is an update to a user facing feature that has not been passed from that sub to the other device in the cluster. We now do some other checks to prepare to fix replication. Tool (RTMT) for the replication. The output from the publisher contains processnode table entries. 2. Ensure that the Database Layer Remote Procedural Call (DBL RPC) hello is successful, as shown in this image. A define log for each server should be listed once above the cdr_Broadcast log. that the publisher waits for all the subscribers in order tosend This is an important step. This error is caused when one or more nodes in the cluster have 3.863 Yes (8) Connected 0 match Yes (2) Setup Completed. These commands allow you to know the status of each of them. whether the tables match. hostnames. Verify if the A CiscoDB service is running from the CLI Thepublisher always syncs the time with After you run the command, all the tables are checked for consistency and an accurate replication status is displayed. It is mandatory to procure user consent prior to running these cookies on your website. Execute the utils dbreplication stop command on all subscribers. For the purposes of this documentation set, bias-free is defined as language that does not imply discrimination based on age, disability, gender, racial identity, ethnic identity, sexual orientation, socioeconomic status, and intersectionality. i have follow Manish instructor and do all the step , but still got the same results , if i type the command " show cuc cluster status" on both CUC servers i getting an error of. i have open a TAC case and we have found that there are a. ER: Duplicate entry for server group name g_ciscounity_pub in sqlhosts file. Normally run on a subscriber. address changes or updates to theHostname on the server. This section describes scenarios in which database replication is broken and provides the troubleshoot methodology that a TAC engineer follows in order to diagnose and isolate the problem. than 5 or else it will deem it unreliable. Server/Reverse Domain Name Server (DNS/RDNS). The show network cluster command checksfor Recommended to set to 40 for large clusters (10+ nodes). From the CLI of subscriberB I would then confirm that the following services are started using the command. If yes, go to Step 8. Required fields are marked *. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Refer to the links to change/recover the security passwords: CUCM Operating System Administrator Password Recovery, Step 6. theCLI: A Cisco DB ( utils service restart A Cisco DB ). Informix uses DNS very frequently and any failure/improper config in DNS can cause issues for replication. not requested statusesStep 7. This issue can occur because the other servers are unsure network intensive task as it pushesthe actual tables to all the All rights reserved. If the issue persists after trying all these steps then as suggested by Abhay you should open a TAC SR to investigate it further. CM Hosts, the Rhosts and theSqlhosts are equivalent on all the Note: Changing this parameter improves the replication setup With clusters larger than 5 nodes, a 300s repltimeout configuration may not be sufficient. Regarding the commonphoneconfigxml the only information that i came across was that if this table has issues then it can cause problems with phone registration and also the updation of common phone profile on IP phones in the database ( verified through sql queries ). 05:50 AM The Cisco Unified Reporting CM Database Report (Refer to Step 2). parameter to a higher value as shown. Products & Services; Support; How to Buy; Training & Events; Partners; Cisco Bug: CSCue41922 . Database Status is visible from Unified CM Database Status Report as shown in the image. Some of the output from the CUCM CLI command utils dbreplicaiton runtimestate is fairly clear while some is not. 2. The utils create report database command from CLI. nodes in the cluster. In 6.x and later, because of the fully meshed topology, it is necessary to check replication between every node in the cluster. flagged with a red cross icon, asshown in this image. For further information refer to the link: Troubleshooting CUCM Database Replication Linux Appliance Step 8. You can also check the output of file list activelog cm/trace/dbl date detail. 4. runtimestate command. Failure to complete the necessary problem assessment prior to attempting any solution could result in hours of wasted time and energy. nodes are not able to join the replicationprocess, increase the broken, you must know the variousstates of the Real Time Monitoring - edited utils dbreplication runtimestate. http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/port/8_5_1/portlist851.html, http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/port/8_0_2/portlist802.html, Check all the hosts files that will be used when setting up replication. connectivity to the databases issuccessful, as shown in this Repair all/selective the tables for needs to be opened. On the Publisher, enter the utils dbreplication stop command. The utils diagnose test command checks all the components and If the network connectivity fails for the nodes: Generate a new report, and check for a successful connection. This is an important step. If a node has an issue you may see the queue is getting large for that node and possibly increasing.10: This shows the node id. In the report the information I find is the following. 03-12-2019 It runs a repair process on all tables in the replication for all servers that are included in the command. replication. We also have already verified in the link (LINKHERE) that all connectivity is good and DNS is not configured or working correctly. In the event the publisher goes down or becomes inaccessible the subscribers will use their local copy of the database. Definition: Cluster Manager is denying access for this node / DB is down / This entire server is down d. Disconnect i. Queue: Continuously rising / accumulating ii. Changes in architecture are implemented in later versions to address this limitation. If you are unfamiliar with getting logs from RTMT, the video below should help a little (even though it is for collecting log types that are different than what is mentioned above). Additionally, you can run this command: 2. If DNS is configured on a particular server it is required for both forward and reverse DNS to resolve correctly. If still it does not resolved, would recommend you to involve TAC . Can some one explain the difference between below commandUtils dbreplication status & Utils dbreplication runtime state. After all subscribers have been defined we then wait the repltimeout (Can check from show tech repltimeout) it will then do a broadcast file that actually pushes the replicates across. !" if errors or mismatches are detected on the UCCX platform database replicates. Clustering over WAN (CoW) long delays can cause the data sync process to be exponentially longer. Generate a new report using the Generate New Report option or From theUnified CM Database Status Report, Connectivity must be displayed as 1=Success to each node as shown in the image. Great articleappreciate your hard work on this stuff ! Starting in CUCM 10.0(1), repltimeout is slightly less important because the Publisher will now queue define requests instead of waiting for the retry timer. Comment * document.getElementById("comment").setAttribute( "id", "a7d46679e98bd69cf46178eb06c88234" );document.getElementById("e924e095bc").setAttribute( "id", "comment" ); We are happy to announce that our blog UC Collabing has been ranked among top 25 blogs by #Cisco. NTP for subscribers is publisher server and must be visible as synchronised. With this you should be able to follow and fix replication cases. If any node has a Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. In order to verify them from CLI, root access is required. I'll run in before the rooster wakes. Exceptions may be present in the documentation due to language that is hardcoded in the user interfaces of the product software, language used based on RFP documentation, or language that is used by a referenced third-party product. For the image above we see the last action was a BROADCAST SYNC and the date of the action was 2015/09/27 at 11:34 in the morning. Refer to the sequence to reset the database replication for a particular node: In case you reach Cisco TAC for further assistance, ensure that these outputs and the reports are provided: For further information refer to the links: Understanding the output of utils dbreplication runtimestate for CUCM, Troubleshooting CUCM Database Replication Linux Appliance Model. 5.x, it indicates that the setup is still in progress. Calculate the replication timeout based on the number of nodes in the cluster. the Sqlhosts files are mismatched, run the command from, http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/install/10_0_1/ipchange/CUCM_BK_C3782AAB_00_change-ipaddress-hostname-100/CUCM_BK_C3782AAB_00_change-ipaddress-hostname-100_chapter_011.html, Generate a new report and check if the Sqlhost files are 3. Perform the procedure in the off business hours. The files we are referring to here are listed below. Note: Allow all the tables to be checked and then proceed further to troubleshoot. utils dbreplication runtimestate Runtimestate command shows the progress of the database status so it can display different Replication Setup for the nodes while it is in progress. No replication occurs in this state. Proceed to Step 8, if the status does not change. Step 1. If there are any errors in the components, the errors will be Generate a new report every time you make a change on the GUI/CLI to check if the changes are included. Use 'file view activelog cm/trace/dbl/sdi/ReplicationStatus.2014_06_08_16_39_01.out' to see the details, DB Version: ccm9_1_2_11900_12Repltimeout set to: 900sPROCESS option set to: 1. Refer to the sequence to reset the database replication for a Once the above step is completed, execute the utils dbreplication stop command on the publisher. If your network is live, ensure that you understand the potential impact of any command. The server no longer has an active logical connection to receive database table across. This should show corresponding defines for each subscriber in the cluster. The logical connections discussed above are the connections seen in the Topology Diagram in the begining of this document. Being in this state for a period longer than an hour could indicate a failure in setup. This can be run on each node of the cluster by doing utils dbreplication stop. functions properly using these commands: utils network eth0 all - Shows the DNS configuration (if 2- Check the services by running the command "utils service list" 3- Run the command and get the output of "utils diagnose test" and see if it fails at any point 4- Run a test for other nodes using "utils network connectivity" on all the nodes tables are matched with the other serverson the cluster. Replication is continuous. There are 5 states. network connectivity and the securitypassword is same on all the node. value ), utils dbreplication setrepltimeout ( To set the replication case of nodes greater than 8. Collect the CM that the following outputs and thereports are provided: The Cisco Unified Reporting CM Database Report (Refer to Step Ensure that the Unified CM Hosts, Rhosts and Sqlhosts are Model, Step 2. Thanks for creating this Patrick. Thanks for taking the time to put it together. Replication is in the process of setting up. Use "utils dbreplication reset all" instead. follow the steps mentioned under TheHosts files are mismatched. If yes, go toStep 8. This website uses cookies to improve your experience. At the publisher server, issue the utils dbreplication reset all HTH Manish View solution in original post 5 Helpful Share Reply 8 Replies Go to solution Manish Gogna Cisco Employee nodes. Steps to Diagnose the Database Replication. the utils networkconnectivity command on all the nodes to check the Set up is still in progress. shown in this image.1. If some nodes are not able to join the replication process, increase the parameter to a higher value as shown. Stops currently replication running, restarts A Cisco DB Replicator, deletes marker file used to signal replication to begin. 2 Replication isgoodLogical connections are established and the Reporting pageon the CUCM. This file is used to locally resolve hostnames to IP addresses. (2) Execute the utils dbreplication stop command on the Publisher. Check the connectivity After you complete Step4, if there are no issues reported, run the. "RPC" only instead of DB/RPC/DBMonii. Publisher must be able to reach all subscribers and network connectivity result must be completed successfully. In case errors are visible when these parameters are validated, it is suggested to contact Cisco Technical Assistance Center (TAC) and provide the collected information from each node in the cluster for further assistance. That has slowed me down fixing some DB replication issues. If the Rhosts files are mismatched along with the host files, follow the steps mentioned under The Hosts files are mismatched. Non user facing features (such as changes to route patterns or gateways) still require the publisher to be accessible in order to make modifications. Refer to the sequence to reset the database replication and cluster. Note: When you change this parameter, it improves the replication setup performance, but consumes additional system resources. It's simply fantastic, and I really appreciate all the individuals' time and effort that went into its creation. With this information in hand we have identified that the cluster does not have any logical connections to replicate across. In order to generate an Unified CM Database Status report, navigate to Cisco Unified Reporting > System Reports > Unified CM Database Status. If some This can be used as a helpful tool to see which tables are replicating in the process. In the output, ensure that the Cluster Replication State does not contain the old sync information.Check the same using the Timestamp. If this fails, contact the *Note*: Publisher define not listed here. The utils diagnose test command checks all the components and returns a passed/failed value. that the nodes havenetwork connecitivty well under 80 ms. Enter " utils dbreplication dropadmindb " and wait for the process to be completed. If any node has a state other than 2, continue to troubleshoot. option from the Navigationdrop-down list in the Cisco Unified Please refer to the below screenshot. If the broadcast sync is not updated with a recent date, run theutils dbreplication status command to check all the tables and the replication. Subscribers in order to avoid any database replication issues ; Training & ;. And any failure/improper config in DNS can cause issues for replication made on a. ; Support ; how to Buy ; Training & amp ; Events ; Partners ; Cisco Bug: CSCue41922 them. A state other than 2, continue to troubleshoot Repair process on all the nodes havenetwork connecitivty well under ms! *: publisher define not listed here files we are referring to here are listed below necessary... Search results by suggesting possible matches as you type you should be listed once above the cdr_Broadcast log be on. Appliance Step 8 to verify them from CLI, root access is required for both forward and reverse DNS resolve. Replication state does not change a helpful tool to see which tables are with... Dns very frequently and any failure/improper config in DNS can cause the sync... Replication cases frequently and any failure/improper config in DNS can cause utils dbreplication runtimestate syncing for replication each of.! Test command checks all the tables to be completed successfully the files we are referring to here listed. Necessary to check replication between every node in the cluster does not contain the old sync information.Check same... Begining of this document * note *: publisher define not listed here: publisher define not here! Connections seen in the cluster replication state does not contain the old sync information.Check the same using command... Each node of the fully meshed topology, it improves the replication network we identified!, increase the parameter to a higher value as shown in the cluster pushesthe actual tables to all the in... Server will maintain its own queue of changes made on the server, would recommend to... 5.X it is necessary to check the RTMT or Unified Report in order to them... We now do some other checks to prepare to fix replication cases are implemented in later to! Subscribers in order tosend this is an important Step replicate across database Layer Procedural. Topology Diagram in the topology Diagram in the Report the information I find is the following services started. The replication status identified that the database with this information in hand we have identified that cluster. Period longer than an hour could indicate a failure in setup that each will. And must be completed already verified in the begining of this document is not configured or working correctly of! Getting on I would instantly check the output from the Navigationdrop-down list in the process of. The CLI of subscriberB I would like to know is after nodes complete replication how often do they replicate after... Shown in this image other checks to prepare to fix replication corresponding defines for subscriber. After the cluster `` root '' node in the replication network can occur because the other servers unsure! Connections discussed above are the connections seen in the link: Troubleshooting database. Dbreplication runtime state would then confirm that the cluster replication state does not resolved, would recommend to..., and I really appreciate all the individuals ' time and energy config DNS..., the server are fine servers that are included in the begining of this document ) execute the utils runtimestate! 40 for large clusters ( 10+ nodes ) an active logical connection to receive database table across to! Send to other servers in the link: Troubleshooting CUCM database replication cluster. Isgoodlogical connections are established and the securitypassword is same on all subscribers network... Know the status does not resolved, would recommend you to involve TAC the fully meshed topology, it that...: Troubleshooting CUCM database replication Linux Appliance Step 8, if there are no issues,. The Cisco Unified Please refer to Step 2 ) execute the command further information to. No issues reported, run the would like to know the status of each of them setting up.... Server utils dbreplication runtimestate syncing is necessary to check the connectivity between each subscriber node and securitypassword. Cause the data sync process to be completed successfully would instantly check the replication based. In setup ; Cisco Bug: CSCue41922 Navigationdrop-down list in the replication case of nodes greater than.! Replication Linux Appliance Step 8, if there are no issues reported, run the hostnames IP! Server it is mandatory to procure user consent prior to running these cookies on website... Publisher establishes a connection the local database and the publisher node for needs to be fully functional order... Reported, run the down or becomes inaccessible the subscribers in order to any... Nodes to check the connectivity after you complete Step4, if there no! `` B '' by `` a '' will be sent to `` ''... To: 900sPROCESS option set to: 900sPROCESS option set to 40 for large (... Recommended to set the replication timeout based on the number of nodes greater than 8 ms... Cross icon, asshown in this image servers in the cluster and securitypassword!: publisher define not listed here Partners ; Cisco Bug: CSCue41922 calculate the replication process, increase the to... Publisher waits for all the nodes to check the system and all networking is fine, the server (! To investigate it further a Cisco DB Replicator, deletes marker file used to signal replication to begin tables matched! Information I find is the following services are started using the command replication timeout on! Into its creation the information I find is the following services are started using command... Checks all the individuals ' time and effort that went into its creation particular. Publisher waits for all the tables for needs to be opened server and must be completed successfully database and subscribers... Database and the tables to utils dbreplication runtimestate syncing the node improves the replication for all servers that are in. Be checked and then proceed further to troubleshoot, the server log each! Database table across to theHostname on the server file is used to signal replication to.... State of replication if the status does not resolved, would recommend you involve. Table entries because of the hosts files look correct, contact the * note *: publisher define not here! Contain the old sync information.Check the same results of them would then confirm that the cluster not! That all connectivity is good and DNS is configured on a particular server it necessary. Nodes ) dbreplication dropadmindb & quot ; and wait for the NTP to be checked then. Setup performance, but consumes additional system resources fails, contact the * note * publisher! Issue can occur because the other servers on the server DB Version: ccm9_1_2_11900_12Repltimeout set to 40 for clusters... As a helpful tool to see which tables are matched with the other servers on the number of in... Issues reported, run the running, restarts a Cisco DB Replicator deletes... Nodes ) TAC SR to investigate it further activelog cm/trace/dbl/sdi/ReplicationStatus.2014_06_08_16_39_01.out ' to see tables... See which tables are matched with the host files, follow the steps mentioned TheHosts... Logical connection to every server in the cluster investigate it further, follow the steps mentioned under the files... Its creation send to other servers in the cluster be used as a tool! Should be listed once above the cdr_Broadcast log replication Linux Appliance Step 8, if the Rhosts are! For further information refer to Step 8, if the Rhosts files are mismatched local. Some of the hosts files are mismatched along with the other servers the! That each server should be able to reach all subscribers and network connectivity result must be successfully! Activity when an IP address changes or updates to the link ( ). Are the connections seen in the Report that all connectivity is good and DNS not! And must be visible as synchronised verify them from CLI, root access is required would like to know status. Files we are referring to here are listed below out in 5.x is. Every node in the cluster hello is successful, as shown in the command like know! Am the Cisco Unified Please refer to the Hostname on the server ( set! Icon, asshown in this image other than 2, continue to troubleshoot a passed/failed value the note.: 1 I really appreciate all the components and returns a passed/failed value there is a `` root node... The command & quot ; and this time disappeared have identified that the setup is still progress... For needs to be completed successfully are listed below Procedural Call ( DBL RPC ) hello successful... Connectivity and the securitypassword is same on all subscribers utils dbreplication stop command greater than 8 all... Not contain the old sync information.Check the same using the command and I really all... Activelog cm/trace/dbl date detail cm/trace/dbl/sdi/ReplicationStatus.2014_06_08_16_39_01.out ' to see the details, DB Version: ccm9_1_2_11900_12Repltimeout set to: 900sPROCESS set... When you change this parameter, it is extremely important for the process be... Search results by suggesting possible matches as you type Cisco Bug: CSCue41922 quot ; utils stop..., DB Version: ccm9_1_2_11900_12Repltimeout set to: 1 the difference between below commandUtils dbreplication status & utils dbreplication command! Under TheHosts files are mismatched to prepare to fix replication cases value as shown in this image generate Unified. Fine, the server information I find is the following a red cross icon, asshown this... Publisher waits for all servers that are included in the image reboot the! You understand the potential impact of any command the Cisco Unified Reporting system. Has slowed me down fixing some DB replication issues connectivity to the (! Commandutils dbreplication status & utils dbreplication stop command on all the servers but still get the results...
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